Adaptive waveform inversion

We present a new method for performing full-waveform inversion that appears to be immune to the effects of cycle skipping â€“ Adaptive Waveform Inversion (AWI).

Adaptive Waveform Inversion – FWI Without Cycle Skipping

Adaptive Waveform Inversion – FWI Without Cycle Skipping. Michael Warner, Lluís Guasch, Gang Yao*. June 2015, Society of Exploration Geophysicists. DOI ...

Physics-Consistent Data-Driven Waveform Inversion With Adaptive ...

In this work, we develop a new hybrid computational approach to solve FWI that combines physics-based models with data-driven methodologies.

On the Method of Adaptive Waveform Inversion with Zero‐Offset ...

Abstract In this paper, we develop a waveform inversion method to estimate the interval velocity and quality factor Q with zero-offset VSP ...

Adaptive waveform inversion: Practice - Crossref

Adaptive waveform inversion: Practice ; Publication. GEOPHYSICS ; Record type. Journal article ; Published. 1 May 2019. Authors ; Authors. Lluís Guasch | ...

Adaptive reflection waveform inversion: Faster, tighter, deeper, smarter

We demonstrate that an appropriate combination of adaptive waveform inversion (AWI) (Guasch et al., 2019), kinematic reflection waveform ...

Acoustic 2-D Full-Waveform Inversion with Non-Balanced Finite ...

The Adaptive Gradient descent optimizers with decay accelerate the convergence rate of FWI. •. Frequency multiscale technique reduces errors associated with ...

Adaptive structure-based full-waveform inversion - GeoScienceWorld

Full-waveform inversion (FWI) is a state-of-the-art seismic tech- nique for estimating a highly accurate and high-resolution subsur- face velocity model. It ...

Localized adaptive waveform inversion: regularizations for Gabor ...

Recently, we have developed a localized adaptive waveform inversion (LAWI) method to tackle the cycle-skipping issue in velocity reconstruction through ...

Adaptive Reflection Waveform Inversion - London Town Group

Adaptive reflection waveform inversion: faster, tighter, deeper, smarter. (SEG 2021). Mike Warner, Tenice Nangoo, Adrian Umpleby, Nikhil Shah ...

Adaptive quadratic Wasserstein full-waveform inversion - Viridien

Adaptive quadratic Wasserstein full-waveform inversion. Diancheng Wang* and Ping Wang, CGG. Summary. Full-waveform inversion (FWI) has increasingly become.

Data-adaptive global full-waveform inversion - OUCI

SUMMARYWe present a novel approach to global-scale full-waveform inversion (FWI) that can reduce computational cost by over an order of magnitude, ...

Evolutionary Full-waveform Inversion using adaptive mini-batches

Full waveform inversion is a computationally expensive, but physically accurate imaging method. Each model update requires multiple ...

Reflection FWI with an augmented wave equation and quasi ...

Reflection FWI with an augmented wave equation and quasi-Newton adaptive gradient scheme. File size: 401.80 KB. Created: 01 - 09 - 2021.

Adaptive waveform inversion for transmitted wave data - NASA/ADS

Adaptive Waveform Inversion applied to transient transmitted wave data yields estimates of index of refraction (or wave velocity) similar to those obtained ...

Full Strata Seismic Waveform Inversion With Adaptive Iteration

Full Strata Seismic Waveform Inversion With Adaptive Iteration. Abstract: In the oil and gas exploration, delineating the tectonic structure of ...

regularizations for Gabor deconvolution and 3-D field data application

SUMMARYRecently, we have developed a localized adaptive waveform inversion (LAWI) method to tackle the cycle-skipping issue in velocity reconstruction ...

Full-waveform inversion imaging of the human brain - Nature

Adaptive waveform inversion (AWI) is a modification of FWI that is better able to begin from a poor starting model; here we use it as a ...

Overcoming Cycle-Skipping Issue using Joint-Domain Full ... - SBGf

To achieve this, researchers have made many influential advancements such as adaptive waveform inversion (Warner and. Guasch, 2014), dynamic-warping FWI (Ma ...

Adaptive Waveform Inversion - YouTube

Adrian Umpleby - Imperial College - London Directors: Liacir Lucena, Universidade Federal do Rio Grande do Norte (Brazil) Mike Warner, ...